<template>
    <div>
        <!-- 面包屑导航 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>用户管理</el-breadcrumb-item>
            <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 内容卡片 -->
        <el-card>
            <!-- 搜索框和添加按钮 -->
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserLists">
                        <el-button slot="append" icon="el-icon-search" @click="getUserLists"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
                </el-col>
            </el-row>
            <!-- 用户数据 -->
            <el-table :data="uselists" tyle="width: 100%" border stripe>
                <el-table-column type="index" label="#" width="60"></el-table-column>
                <el-table-column prop="username" label="姓名"></el-table-column>
                <el-table-column prop="email" label="邮箱"></el-table-column>
                <el-table-column prop="mobile" label="电话"></el-table-column>
                <el-table-column prop="role_name" label="角色"></el-table-column>
                <el-table-column prop="mg_state" label="状态">
                    <template slot-scope="scope">
                        <el-switch v-model="scope.row.mg_state" @change="editUserState(scope.row)"></el-switch>
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="180">
                    <template slot-scope="scope">
                        <el-button type="primary" icon="el-icon-edit" size="mini" @click="editUserInfo(scope.row.id)"></el-button>
                        <el-button type="danger" icon="el-icon-delete" size="mini" @click="delUserInfo(scope.row.id)"></el-button>
                        <el-tooltip class="item" effect="dark" content="分配角色" placement="top" :enterable="false">
                            <el-button type="warning" icon="el-icon-setting" size="mini" @click="allotRole(scope.row)"></el-button>
                        </el-tooltip>
                    </template>
                </el-table-column>
            </el-table>
            <!-- 分页 -->
            <el-pagination  @size-change="handleSizeChange" @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum" :page-sizes="[1, 2, 5, 10]" :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper" :total="total"></el-pagination>
        </el-card>
        <!-- 添加用户弹窗 -->
        <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%">
            <!-- 验证表单 -->
            <el-form :model="addUserForm" :rules="addFormRules" ref="addFormRef" label-width="100px">
                <el-form-item label="用户名" prop="username">
                    <el-input v-model="addUserForm.username"></el-input>
                </el-form-item>
                <el-form-item label="密码" prop="password">
                    <el-input v-model="addUserForm.password"></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="addUserForm.email"></el-input>
                </el-form-item>
                <el-form-item label="手机" prop="mobile">
                    <el-input v-model="addUserForm.mobile"></el-input>
                </el-form-item>
            </el-form>
            <!-- 选项按钮 -->
            <span slot="footer" class="dialog-footer">
                <el-button @click="resetAddForm">取 消</el-button>
                <el-button type="primary" @click="subUserForm">确 定</el-button>
            </span>
        </el-dialog>
        <!-- 修改用户弹窗 -->
        <el-dialog title="修改用户信息" :visible.sync="editDialogVisible" width="50%">
            <el-form :model="editUserForm" :rules="editFormRules" ref="editFormRef" label-width="100px">
                <el-form-item label="用户名">
                    <el-input v-model="editUserForm.username" disabled></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="editUserForm.email"></el-input>
                </el-form-item>
                <el-form-item label="手机" prop="mobile">
                    <el-input v-model="editUserForm.mobile"></el-input>
                </el-form-item>
            </el-form>
             <!-- 选项按钮 -->
            <span slot="footer" class="dialog-footer">
                <el-button @click="resetEditForm">取 消</el-button>
                <el-button type="primary" @click="subUserInfo">确 定</el-button>
            </span>
        </el-dialog>
        <!-- 分配角色弹窗 -->
        <el-dialog title="分配角色" :visible.sync="allotRoleVisible" width="50%" @close="resetDialog">
            <div>
                <p>当前的用户: {{userInfo.username}}</p>
                <p>当前的角色: {{userInfo.role_name}}</p>
                <p>分配新角色：
                    <el-select v-model="value" placeholder="请选择">
                        <el-option v-for="item in rolesList" :key="item.id" :label="item.roleName" :value="item.id">
                        </el-option>
                    </el-select>
                </p>
            </div>
            <span slot="footer" class="dialog-footer">
                <el-button @click="allotRoleVisible=false">取消</el-button>
                <el-button type="primary" @click="setRole">确定</el-button>
            </span>
        </el-dialog>
    </div>
</template>

<script>
export default {
    created() {
        this.getUserLists()
    },
    data() {
        // 自定义邮箱地址验证
        var checkEmail = (rule, value, callback) => {
            const emailReg = /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/
            if (emailReg.test(value)) {
                return callback()
            }
            callback(new Error('请输入合法的邮箱地址'))
        }
        // 自定义手机号验证
        var checkMobile = (rule, value, callback) => {
            const mobileReg = /^(13[0-9]|17[0-9]|14[5|7]|15[0|1|2|3|5|6|7|8|9]|18[0|1|2|3|5|6|7|8|9])\d{8}$/
            if (mobileReg.test(value)) {
                return callback()
            }
            callback(new Error('请输入合法的手机号'))
        }
        return {
            queryInfo: {
                query: '',
                pagenum: 1,
                pagesize: 2
            },
            uselists: [],
            total: 0,
            addDialogVisible: false,
            addUserForm: {
                username: '',
                password: '',
                email: '',
                mobile: ''
            },
            addFormRules: {
                username: [
                    { required: true, message: '请输入用户名', trigger: 'blur' },
                    { min: 3, max: 15, message: '请输入3-15个字符', trigger: 'blur' }
                ],
                password: [
                    { required: true, message: '请输入密码', trigger: 'blur' },
                    { min: 6, max: 20, message: '[请输入6-20个字符', trigger: 'blur' }
                ],
                email: [
                    { required: true, message: '请输入邮箱', trigger: 'blur' },
                    { validator: checkEmail, trigger: 'blur' }
                ],
                mobile: [
                    { required: true, message: '请输入手机号', trigger: 'blur' },
                    { validator: checkMobile, trigger: 'blur' }
                ]
            },
            editDialogVisible: false,
            editUserForm: {},
            editFormRules: {
                email: [
                    { required: true, message: '请输入密码', trigger: 'blur' },
                    { validator: checkEmail, trigger: 'blur' }
                ],
                mobile: [
                    { required: true, message: '请输入手机号', trigger: 'blur' },
                    { validator: checkMobile, trigger: 'blur' }
                ]
            },
            allotRoleVisible: false,
            userInfo: {},
            rolesList: [],
            value: ''
        }
    },
    methods: {
        async getUserLists() {
            const { data } = await this.$http.get('users', { params: this.queryInfo })
            if (data.meta.status !== 200) return this.$message.error(data.meta.msg)
            this.uselists = data.data.users
            this.total = data.data.total
        },
        async editUserState(data) {
            await this.$http.put('users/' + data.id + '/state/' + data.mg_state)
        },
        handleSizeChange(size) {
            this.queryInfo.pagesize = size
            this.getUserLists()
        },
        handleCurrentChange(num) {
            this.queryInfo.pagenum = num
            this.getUserLists()
        },
        // 重置添加表单数据
        resetAddForm() {
            this.$refs.addFormRef.resetFields()
            this.addDialogVisible = false
        },
        // 提交添加的用户数据
        subUserForm() {
            this.$refs.addFormRef.validate(async valid => {
                if (!valid) return
                const { data: res } = await this.$http.post('users', this.addUserForm)
                if (res.meta.status !== 201) return this.$message.error('添加用户失败，请重试')
                this.$message.success(res.meta.msg)
                this.addDialogVisible = false
            })
        },
        // 修改用户信息
        async editUserInfo(id) {
            this.editDialogVisible = true
            const { data: res } = await this.$http.get('users/' + id)
            if (res.meta.status !== 200) return this.$message.error('获取用户信息失败')
            this.editUserForm = res.data
        },
        // 重置修改表单
        resetEditForm() {
            this.$refs.editFormRef.resetFields()
            this.editDialogVisible = false
        },
        // 提交修改的用户信息
        subUserInfo() {
            this.$refs.editFormRef.validate(async valid => {
                if (!valid) return
                const { data: res } = await this.$http.put('users/' + this.editUserForm.id, {
                    email: this.editUserForm.email,
                    mobile: this.editUserForm.mobile
                })
                if (res.meta.status !== 200) return this.$message.error('更新用户信息失败')
                this.getUserLists()
                this.$message.success('更新用户信息成功')
                this.editDialogVisible = false
            })
        },
        // 删除用户
        delUserInfo(id) {
            this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).then(async() => {
                await this.$http.delete('users/' + id)
                this.$message.success('删除成功!')
                this.getUserLists()
            }).catch(() => {
                this.$message.info('已经取消删除')
            })
        },
        // 分配角色
        async allotRole(user) {
            this.userInfo = user
            const { data: res } = await this.$http.get('roles')
            if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
            this.rolesList = res.data
            this.allotRoleVisible = true
        },
        async setRole() {
            const { data: res } = await this.$http.put(`users/${this.userInfo.id}/role`, { rid: this.value })
            if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
            this.$message.success(res.meta.msg)
            this.getUserLists()
            this.allotRoleVisible = false
        },
        resetDialog() {
            this.value = ''
            this.userInfo = {}
        }
    }
}
</script>

<style lang="less" scoped>
</style>